Title:
冷却式のリング支持体を製造する方法
Document Type and Number:
Japanese Patent JP4169740
Kind Code:
B2
Abstract:
The invention relates to a method for producing a cooled ring carrier ( 1 ) for an aluminium piston pertaining to an internal combustion engine and produced according to a casting method, comprising a cooling channel ( 6 ) which is embodied on the rear ( 3 ) of the ring carrier as a downwardly open turned groove ( 4 ) According to the invention, salt granules are pressed into the turned groove ( 4 ) at a pressure of between 100 and 300 N/mm2, in such a way that a salt core ( 5 ) is formed in the turned groove ( 4 ) The composite consisting of the ring carrier and the salt core is then immersed in an alfin bath.
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Inventors:
Everhard Bubeck
Application Number:
JP2004530891A
Publication Date:
October 22, 2008
Filing Date:
June 18, 2003
Export Citation:
Assignee:
MAHLE GmbH
International Classes:
F02F3/00; B22C9/10; B22C9/24; B22D19/00; B22D19/08; F02F3/20
Domestic Patent References:
| JP591145B1 |
Foreign References:
| WO2002040202A1 | ||||
| WO2002055912A1 | ||||
| GB1229346A | ||||
| FR2044242A1 |
Attorney, Agent or Firm:
Toshio Yano
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel
Toshiomi Yamazaki
Takuya Kuno
Einzel Felix-Reinhard
Reinhard Einsel